| Parameters | Unit |
| Cah overall thermal capacitance of the air handling unit | kJ/C |
| Tco temperature of the air out from the coil | ˚C |
| fsw water flow rate in coil | m3/s |
| ρw density of water | kg/m3 |
| Cpw specific heat of water | kJ/(kg・˚C) |
| Twi supply water temperature | ˚C |
| (UA)ah overall transmittance area factor of the air handling unit | kJ/(s・C) |
| fsa volume flow rate of the supply air | m3/s |
| Tm temperature in to the coil | ˚C |